Which 2 regions of the united states were the main centers for industry and manufacturing during the second industrial revolution a. northeast and midwest b. northeast and south c. south and west d. midwest and west

Your answer would be Northeast and Midwest or answer A.

answer; ///i believe that the correct answer is (a) the great depression

united states reinforcements contributed greatly to three allied victories in france at: cantigny (first major american battle), argonne (the largest in the united states military history, involving 1.2 million american soldiers), and château-thierry (one of the first actions under general pershing).